Junction box



FIG. 1 is a first perspective view of a junction box showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a perspective view of another state of the junction box thereof.

The broken lines shown in the drawings depict portions of the junction box that form no part of the claimed design. 

CLAIM The ornamental design for a junction box, as shown and described. 